<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			#left{
				float: left;
			}
			#bottom{
				clear: both;
			background:url(img/3.jpg);
			background-size:100% 100%;
			height: 200px;
			height: 600px;
		}
		button{
			background-color:rgba(255,255,255,0.3);
			border: none;
			font-size: 25px;
			margin-top: 150px;
			margin-left: 590px;
			height: 70px;
			width: 300px;
		}
		</style>
		
	</head>
	<body >
		<div id="top" ">
			<img style="margin-left: 30px;" id="left" src="img/1.png" >
			<p style="color:#8399F6 ;padding-left: 40%;font-size:40px;">学习统计云平台</p>
		</div>
		<div id="bottom" >
			<a href = "选择_teacher.html"><button >老师</button></a>
			<br><br />
			<a href = "选择_student.html"><button>学生</button></a>
		</div>
	</body>
</html>
